Allow passing the current value to config flow input fields

src/components/ha-form/ha-form-integer.ts

@@ -77,7 +77,12 @@ export class HaFormInteger extends LitElement implements HaFormElement {
   }
 
   private get _value() {
-    return this.data || this.schema.default || 0;
+    return (
+      this.data ||
+      this.schema.description?.suggested_value ||
+      this.schema.default ||
+      0
+    );
   }
 
   private _handleCheckboxChange(ev: Event) {

src/components/ha-form/ha-form.ts

@@ -30,7 +30,7 @@ export interface HaFormBaseSchema {
   default?: HaFormData;
   required?: boolean;
   optional?: boolean;
-  description?: { suffix?: string };
+  description?: { suffix?: string; suggested_value?: HaFormData };
 }
 
 export interface HaFormIntegerSchema extends HaFormBaseSchema {

src/dialogs/config-flow/step-flow-form.ts

@@ -122,7 +122,9 @@ class StepFlowForm extends LitElement {
 
     const data = {};
     this.step.data_schema.forEach((field) => {
-      if ("default" in field) {
+      if (field.description?.suggested_value) {
+        data[field.name] = field.description.suggested_value;
+      } else if ("default" in field) {
         data[field.name] = field.default;
       }
     });